55107716 has 6 divisors (see below), whose sum is σ = 96438510. Its totient is φ = 27553856.

The previous prime is 55107707. The next prime is 55107749. The reversal of 55107716 is 61770155.

It can be written as a sum of positive squares in only one way, i.e., 54612100 + 495616 = 7390^2 + 704^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6888461 + ... + 6888468.

It is an arithmetic number, because the mean of its divisors is an integer number (16073085).

Almost surely, 2^55107716 is an apocalyptic number.

It is an amenable number.

55107716 is a deficient number, since it is larger than the sum of its proper divisors (41330794).

55107716 is a wasteful number, since it uses less digits than its factorization.

55107716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13776933 (or 13776931 counting only the distinct ones).

The product of its (nonzero) digits is 7350, while the sum is 32.

The square root of 55107716 is about 7423.4571461011. The cubic root of 55107716 is about 380.5433501341.

The spelling of 55107716 in words is "fifty-five million, one hundred seven thousand, seven hundred sixteen".